Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A modest decline in the average high-temperature is seen during December, decreasing from a comfortable 65.8°F (18.8°C) in November to a still refreshing 58.1°F (14.5°C). An average low-temperature of 43.2°F (6.2°C) is noted in Zwolle during the month of December.Humidity
In Zwolle, the average relative humidity in December is 80%.Rainfall
In Zwolle, in December, it is raining for 12.5 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, there are 159.7 rainfall days, and 36.14" (918mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. In Zwolle, during the entire year, snow falls for 1.2 days and aggregates up to 0.35" (9mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of December in Zwolle, Louisiana, sunrise is at 6:56 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:21 pm CST.
Sunshine
With an average of 4.8h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the UV index of 3 transforms into the following advice:
Undertake protective steps - Preventing sun damage is advised. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What are December temperatures in Zwolle?
What is the average humidity in December in Zwolle?
How many days does it rain in December in Zwolle?
When does it start snowing in Zwolle?
What is the month with the shortest days in Zwolle?
What is the average length of the day in December in Zwolle?
What time are sunrise and sunset in December in Zwolle?
What is the month with the least sunshine in Zwolle?
How long on average sun shines in December in Zwolle?
When is the lowest UV index in Zwolle?
What is the UV index reading in December in Zwolle?
Average temperature in December
Zwolle, LA
- Average high temperature in December: 58.1°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in December: 43.2°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in December
Zwolle, LA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Zwolle, LA
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in December
Zwolle, LA
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in December
Zwolle, LA
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in December
Zwolle, LA
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is August (16 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in December
Zwolle, LA
- Average snowfall in December: 0.12"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Zwolle, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Zwolle, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Zwolle, LA
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is February (12.4 days).
Average UV index in December
Zwolle, LA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Zwolle, LA
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Zwolle, LA
- Average visibility in December: 5mi
The months with the highest visibility are June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, September and December (5mi).
Zwolle, Louisiana, USA
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